[llvm] [clang] [HLSL] Implementation of tan intrinsic (PR #79948)

[Eli Friedman via cfe-commits]

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@@ -1010,6 +1010,7 @@ let IntrProperties = [IntrNoMem, IntrSpeculatable, IntrWillReturn] in {
   def int_powi : DefaultAttrsIntrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_anyint_ty]>;
   def int_sin  : DefaultAttrsIntrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
   def int_cos  : DefaultAttrsIntrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
+  def int_tan  : DefaultAttrsIntrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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efriedma-quic wrote:

Adding `@llvm.tan` is a significant change; if you need this, please post a proposal on Discord explaining what you're adding an why.

https://github.com/llvm/llvm-project/pull/79948